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Jim Yanik

(Bill) wrote in
:

On Tue, 12 Aug 2008 05:18:07 -0700 (PDT), Edge
wrote:

I have a Craftsman 19.2 volt drill with a half inch chuck.

Keyed or keyless chuck?

Many times,
especially while pressing hard into the material being drilled, the
bit slips. No matter how much I tighten the chuck, the bit continues
to slip. Other than replacing the chuck, which isn't worth it, what
can be done? Is there a spray of some sort or something else to
provide a better grip on the bit.

What are you drilling? New or old bits? Are you using the right bits
for the job? Maybe dull bits are your problem.

put a heavy rubber band around the chuck to help get a better grip on it.
(for a keyless chuck)

he could grind 3 flats on the shank of the bits,with a Dremel.
Are the bit shanks all chewed up from slipping in the chuck? then you need
new bits.

also,maybe he's pressing TOO hard,forcing the bit thru the work.

--
Jim Yanik
jyanik
at
kua.net